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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2019 Mar 04 1230 UTC

SIDC Předpověď

Sluneční erupce

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
04 Mar 2019	070	007
05 Mar 2019	071	011
06 Mar 2019	070	010

Bulletin

The solar activity has been quiet over the past 24 hours. The X-ray flux remains below B-level and the visible solar disc is spotless. Solar activity is expected to remain at low levels.

No Earth directed Coronal Mass Ejection has been observed. The greater than 10 MeV solar protons flux remained at nominal levels over the past 24 hours and is expected to remain so.

Solar wind parameters are indicative of a return towards an ambient background and slow solar wind speed regime. Solar wind speed decreased from 490 km/h to 390 km/s. Total interplanetary magnetic field strength was steady and remained below 6 nT. The Bz component fluctuated between -5 nT and 3 nT, with short prolonged period of southward direction. Several small patchy equatorial coronal holes (negative polarity) are currently facing Earth. The associated speed streams are expected to dominate the space weather conditions for the following days with a wind speed ranging from nominal values (around 350 km) to 400-450 km/s.

The geomagnetic conditions were quiet to unsettle over the past 24 hours, with K-index (Dourbes) and Kp (NOAA) ranging from 1 and 3. In response to the slightly enhanced interplanetary magnetic field due to the small patchy equatorial coronal holes and possible prolonged period of southward directed Bz component, the geomagnetic conditions are expected to remain quiet to unsettle.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 16 stanic.

Solární indexy za 03 Mar 2019

Wolfovo číslo Catania	///
10cm sluneční tok	070
AK Chambon La Forêt	012
AK Wingst	007
Odhadovaný Ap	007
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 16 stanic

Souhrn významných událostí

Poskytuje Centrum pro analýzu dat o solárních vlivech© - SIDC - Zpracováno SpaceWeatherLive

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